Average Error: 0 → 0
Time: 335.0ms
Precision: 64
\[\left(x + x\right) - 1\]
↓
\[\left(x + x\right) - 1\]
\left(x + x\right) - 1
↓
\left(x + x\right) - 1
double f(double x) {
        double r269708 = x;
        double r269709 = r269708 + r269708;
        double r269710 = 1.0;
        double r269711 = r269709 - r269710;
        return r269711;
}
↓
double f(double x) {
        double r269712 = x;
        double r269713 = r269712 + r269712;
        double r269714 = 1.0;
        double r269715 = r269713 - r269714;
        return r269715;
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0

    \[\left(x + x\right) - 1\]

  2. Final simplification0

    \[\leadsto \left(x + x\right) - 1\]

Reproduce

herbie shell --seed 2020083 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))